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SELECT 
  b.variant_name, 
  a.*, 
  IF(
    shared_option_variants.variant_id IS NOT NULL, 
    shared_option_variants.modifier, 
    a.modifier
  ) as modifier, 
  IF(
    shared_option_variants.variant_id IS NOT NULL, 
    shared_option_variants.modifier_type, 
    a.modifier_type
  ) as modifier_type 
FROM 
  cscart_product_option_variants AS a 
  LEFT JOIN cscart_product_option_variants_descriptions AS b ON b.variant_id = a.variant_id 
  AND b.lang_code = 'en' 
  LEFT JOIN cscart_ult_product_option_variants shared_option_variants ON shared_option_variants.variant_id = a.variant_id 
  AND shared_option_variants.company_id = 1 
WHERE 
  1 
  AND a.option_id IN (
    98668, 98667, 98727, 98726, 98725, 98724, 
    99652, 98628, 99621, 99573, 99572, 
    99571, 98708, 99518, 99517, 99516, 
    99515, 99514, 99513, 99512
  ) 
  AND a.status = 'A' 
ORDER BY 
  a.position, 
  a.variant_id

Query time 0.00088

Explain
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	a	range	status,option_id,option_id_2	option_id	6		40	Using index condition; Using filesort
1	SIMPLE	b	eq_ref	PRIMARY	PRIMARY	9	toolboxdigitalshop_dev.a.variant_id,const	1	Using where
1	SIMPLE	shared_option_variants	eq_ref	PRIMARY,company_id	PRIMARY	7	toolboxdigitalshop_dev.a.variant_id,const	1

Result

variant_name	variant_id	option_id	position	modifier	modifier_type	weight_modifier_type	point_modifier_type	status
MP3	197792	98628	1	0.000	A	A	A	A
MP3	197870	98667	1	0.000	A	A	A	A
MP3	197872	98668	1	0.000	A	A	A	A
MP3	197952	98708	1	0.000	A	A	A	A
MP3	197984	98724	1	0.000	A	A	A	A
MP3	197986	98725	1	0.000	A	A	A	A
MP3	197988	98726	1	0.000	A	A	A	A
MP3	197990	98727	1	0.000	A	A	A	A
MP3	199560	99512	1	0.000	A	A	A	A
MP3	199562	99513	1	0.000	A	A	A	A
MP3	199564	99514	1	0.000	A	A	A	A
MP3	199566	99515	1	0.000	A	A	A	A
MP3	199568	99516	1	0.000	A	A	A	A
MP3	199570	99517	1	0.000	A	A	A	A
MP3	199572	99518	1	0.000	A	A	A	A
MP3	199678	99571	1	0.000	A	A	A	A
MP3	199680	99572	1	0.000	A	A	A	A
MP3	199682	99573	1	0.000	A	A	A	A
MP3	199778	99621	1	0.000	A	A	A	A
MP3	199840	99652	1	0.000	A	A	A	A
WAV	197793	98628	2	0.300	A	A	A	A
WAV	197871	98667	2	0.300	A	A	A	A
WAV	197873	98668	2	0.300	A	A	A	A
WAV	197953	98708	2	0.300	A	A	A	A
WAV	197985	98724	2	0.300	A	A	A	A
WAV	197987	98725	2	0.300	A	A	A	A
WAV	197989	98726	2	0.300	A	A	A	A
WAV	197991	98727	2	0.300	A	A	A	A
WAV	199561	99512	2	0.300	A	A	A	A
WAV	199563	99513	2	0.300	A	A	A	A
WAV	199565	99514	2	0.300	A	A	A	A
WAV	199567	99515	2	0.300	A	A	A	A
WAV	199569	99516	2	0.300	A	A	A	A
WAV	199571	99517	2	0.300	A	A	A	A
WAV	199573	99518	2	0.300	A	A	A	A
WAV	199679	99571	2	0.300	A	A	A	A
WAV	199681	99572	2	0.300	A	A	A	A
WAV	199683	99573	2	0.300	A	A	A	A
WAV	199779	99621	2	0.300	A	A	A	A
WAV	199841	99652	2	0.300	A	A	A	A